I am trying to use the graph on my TI-84 Silver and when I input Y= and then equation and then hit Graph, it will graph the line but will not show the grid. How do I get the graph to show up along with the line?

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1. To graph a function, Press [Y=] to enter the function editor. 2. Type in a legitimate function. 3. Press ENTER to validate the function. 4. Press the GRAPH key to draw the graph. 5. Play with the window dimensions or use the ZOOM feature to see more of the graph (or less).

Try your settings by drawing the function y= xIf you have problem with Invalid Dimension or other errors, turn the Statistical Plots OFF. To do so, press [SHIFT] [Y=] to open the Stat Plots. Type in the number to the left of the Option PlotsOff. Then press ENTER.

If this is correct, graph 5x+3 in the y1 line and 9 in the y2 line. To find the solution, you will press 2nd, then trace the intersection and hit enter 3 times. This will get the solution you need for the equation.

If this is not what you are wanting to do, you need to be try again and elaborate more.

You might not see the scatter plot when you go to the graph because the boundaries are not set correctly. With the scatter plot turned on, go to "zoom" and then scroll down to "zoomStat" and hit enter. Try going to the graph again and see if the the scatter plot shows up. As for the the equation being slightly different than the examples, this is probably just the calculator rounding up the answers it gets.
Good luck!

You're trying to graph a function that does not involve stat plot features but the calculator probably thinks you are. You can correct this by turning off the stat plot features. Press "2ND" "STAT PLOT" and then select 4:PlotsOff.

The calculator only displays from -10 to 10 on the x and y axes, and both of your lines are outside of that range. However, it is easy to change that.

1. Hit the gray "WINDOW" button that is directly under the screen2. Change "Xmax" to 1503. Change "Ymax" to 200

Remember to change both of those values back to 10 when you are done with this problem!

Here's how to graph it:1. Hit the "Y=" button2. Enter your first equation after Y1, and your second equation after Y23. Look over both the equations to make sure you typed them correctly4. Hit the "GRAPH" button5. If you don't see the intersection you will need to adjust Xmax and Ymax again6. Hit Hit "2ND" and the "TRACE" to bring up the "CALC" menu7. Scroll down to "intersect" and hit enter8. Hit enter 3 times (You use the first and second curve options when you have more than 2 lines)9. It should display the coordinates at the bottom10. I got (76, 142.1) for the intersection

Thanks for asking this question! I used to do this a much harder way, but while I was calculating the answer to your question I hit a wrong button and accidentally found this method!

ok well go to the 'y=' button
type in the equation and make sure that the equals sign after y has like a black box around it, making the actual = white. so make sure both of those = signs of the 2 equations that you want to graph are like that, and thats about it.